Posted: Sep 22, 2018 11:09 pm
by Wortfish
Calilasseia wrote:
The literature on feather evolution is extensive. This literature includes documentation of discoveries of feathered non-Avialan Theropod dinosaurs.


Many specimens have been disputed on the grounds of not displaying true pennaceous feathers or being a flightless bird like the ostrich. It is likely that theropods had "bristles" as shown in the televised autopsy of a recently captured T-Rex:

Image

In any case, if feathers are structures useful for purposes other than flight, why do we not see reptiles with them today?